Do Turtles Have Nerves In Their Shells?

The information is current and up-to-date in accordance with the latest veterinarian research.

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Most of us think of the turtle shell as a rough and tough protective layer that often becomes the victim of our playful knockings, poking, scratching, and tapping on it. Meanwhile, the turtle shell indeed provides all that strong protection we think of, but we tend to forget about whether they can feel through their shells, or have nerves on them.

Turtles have nerves on their shells that allow them to sense their whole body. Touching their shell in any way causes them to have the sensation of being caressed. Additionally, the nerve endings on their shells enable them to experience pain.

The majority of individuals are of the opinion that the shell is the most distinctive feature of a turtle’s body. The bulk of the inquiries that are asked is also about the shell and its history as well as its functions.

In this article, we are going to talk about whether or not turtles can feel their shells, in addition to discussing some of the other fascinating characteristics of turtle shells. So keep on reading!

What Makes Up A Turtle’s Shell?

The shell of a turtle is composed of around sixty tiny bones, each of which has a protective covering known as “scutes.”

The squares that are apparent on the outside of a turtle’s shell are called scutes. Keratin, the same substance that makes up our fingernails, is the primary component of scutes.

The shell of a turtle may be broken down into two distinct parts: the upper piece, which is termed the carapace, and the lower component, which is known as the plastron, located below the stomach of the turtle.

The term “bridge” refers to the part of the skeleton that connects these two distinct portions of the shell. The plastron is often a lighter, tan tint, in contrast to the carapace, which is typically a darker shade of brown in color.

The excrement that turtles produce is expelled via a hole in the turtle’s shell that is located at the rear of the animal. They also include a hole in the front of their shells where their heads may protrude so that people can see them.

What Is The Difference Between Tortoise And Turtle Shells?

The most significant distinction between a tortoise’s shell and a turtle’s shell becomes apparent when it is necessary for a turtle to shed its scutes on a yearly basis.

This is due to the fact that they spend their whole lives immersed in water, making them susceptible to a wide variety of diseases and pathogens.

The turtle is able to maintain a healthy appearance, keep clean, and reduce its chance of contracting severe infections by shedding its scutes and then totally growing them again.

The life cycle of a tortoise, on the other hand, does not proceed in this manner at all. Tortoises are unable to remove their scutes, and as a result, they do not rebuild them.

When a turtle grows bigger, its scutes will fall off, and it will be able to develop new scutes because of this. but when a tortoise grows bigger, the entire shell kind of slides upward, and a new layer of scutes are produced around the base of the old shell.

Understanding this is highly essential since it implies that injury to the scutes or illness in the scutes may be considerably more damaging to a tortoise over a longer period than to a turtle. The turtles would ultimately replace the injured or sick scutes.

Do Turtle Shells Have Nerve Endings?

A turtle’s shell may be damaged by a strike or hit that is very hard or pointed. This is due to the fact that the nerves are present on the outside of the shell that is able to transfer impulses to the nerves on the interior of the shell, which is far more responsive.

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If a turtle’s shell breaks, it is excruciatingly painful and has been compared to the experience of a person whose arm has been broken.

In addition, no two turtle shells are exactly the same in appearance. For instance, the shells of leatherback marine turtles have substantially more robust shells in comparison to the shells of other animals that live mostly on land.

This is due to the fact that leatherback sea turtles tend to travel deep as many as 750 meters in order to hunt for food. Consequently, in order for their shells to be able to survive the pressure of the water at that level, they must be sufficiently robust.

Although the shells of marine turtles are harder than those of land turtles, sea turtles are often more sensitive than land turtles.

This happens because sea turtles often have a thin layer of skin that covers the exterior of their shells. This would make the shells more flexible, allowing the turtle to navigate across narrower passages without difficulty.

Can Turtles Feel Through Their Shell?

Turtles can typically feel through their shells, however, this ability is dependent on the amount of pressure applied.

In spite of the fact that the scutes on the outside of the shell are not particularly much sensitive, the skin that lies under the shell is incredibly sensitive and is prone to having any form of feeling.

Can Tortoises Feel Through Their Shell?

The structure of a tortoise shell is pretty much identical to that of a turtle’s, despite the fact that tortoise shells are much more spherical and have a dome-like appearance.

Tortoise shells actually include nerve endings, which allow the tortoise to experience some degree of sensation in its shell. As a result, a tortoise is capable of perceiving the sensations that result from touching, rubbing, or scratching its shell.

Can Turtles Feel Pain In Their Shell?

In spite of the fact that generally assumed a turtle’s shell is incredibly resistant, it may really be rather delicate. They will surely feel discomfort and could even bleed if you strike their shell or do any other harm to it in any way.

The shell is not an impenetrable defensive shield, rather, it is a fundamental component of a turtle’s physiology consisting of fifty separate bones that are connected to the backbone and ribcage.

Turtles, like cats and dogs, may suffer from skin conditions that manifest as disorders on their shells. These conditions can give the turtles significant discomfort.

Infections caused by bacteria or fungi are a possibility, as is the formation of a distorted shape that, like a broken bone in humans, may result in cracked shells.

The following are some frequent indications that would make it immediately apparent if a turtle is in distress.

  1. Obvious fractures
  2. Slime formation on the shell
  3. Scutes that flake off in an inconsistent pattern
  4. Unusual marks
  5. Strange hues, like red, for example.
  6. Blood seeped through a fracture or break
  7. An overpowering scent

Consider sending the turtle to the veterinarian if you find that it is exhibiting any of the above symptoms.

Injuries to the shell of a turtle may be caused by a variety of factors, including insufficient care or an unintentional hit.

Injury to a turtle’s shell may also be caused by inadequate calcium, unsuitable food, and a filthy habitat, among other things. When complications arise, it is critical to have the right treatment in order to receive appropriate therapy.

How Sensitive Is the Shell Of Turtles and Tortoises?

Since turtles’ shells include nerve endings, they are able to sense the texture of their own shells. Nevertheless, the nerve endings on their shells aren’t extremely sensitive and just communicate vibrations in the vast majority of situations they encounter.

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There is a striking resemblance between the substance that constitutes the horn of some animals, the substance that builds up people’s fingernails, and the shell of a turtle.

Because of this, the sensitivity of a turtle’s shell is comparable to that of a human fingernail. Even while it may be felt when somebody brushes it, its sensitivity is not very high.

On the other hand, the carapace of a tortoise is densely packed with nerves, making it an exceptionally sensitive area of the animal’s body.

Even while it may not be nearly as sensitive as that of the skin, it is still a mass of cells that contains nerve cells, and it is sensitive enough that they are able to experience pleasure or pain out from the shell.

Do Turtles Like Having Their Shells Rubbed?

Because turtles are capable of feeling through their shells, you may pet them by running your fingertips over the surface of the turtle’s shell.

However, there is no clear response to this question since turtles are not very expressive creatures, therefore it is difficult to know whether they are genuinely enjoying the act of rubbing their shells.

On the other hand, anybody who has surfed the internet for any length of time has probably come across amusing videos of baby turtles having their shells scraped by a toothbrush or their caretaker’s nails.

The fact that turtles’ shells include sensory receptors makes it look as if a little scratch brings them pleasure.

However, sea turtles will occasionally scrape their shells in terms of cleaning themselves. They are able to rid themselves of epibionts such as barnacles and algae thanks to a habit known as self-grooming.

 If the epibionts development was allowed to continue unchecked, it would impede the turtle’s flexibility to shift about and swim.

Do Tortoises Like Their Shells Scratch?

Tortoises are very sensitive creatures, especially in their shells. They are able to sense whenever their shells are being stroked because, as I have mentioned before, their shells include sensory receptors and hence enable them to be sensitive to feel through the shells.

The real issue is whether or not they take pleasure in having their backs stroked. It is hard to offer a definitive answer to this question.

Tortoises are individuals just like people are, which means that although some of them may appreciate having their shells stroked, others may not appreciate it quite as much.

You might think how can you tell whether the touch is something that your tortoise actually likes? Reptiles and mammals communicate their emotions in quite diverse ways.

Tortoises aren’t going to urge you to cuddle with them, yet they could truly enjoy your company anyway. If a turtle seems to be observing you, this behavior indicates that it is intrigued by what you have to offer.

They take pleasure in watching their humans, and the attention they show in doing so is evidence of the care they have for them.

The long, stretched-out neck is just another indication that your tortoise either adores you or wishes to be touched. This gesture is one of the most important indicators of love.

You may be confident that perhaps the tortoise is appreciating your companionship and affection if it moves up to you, relaxes towards your contact, or shuts its eyes in response to your touching.

As a result, if you wish to give your tortoise a little bit of a scratch, go forward and do it. However, as you may be aware, tortoises can be a little bit socially introverted, so if he screeches and backs away, you shouldn’t take it personally.

They will come back at some point in the future for you to try your luck with them once again.

You should not ever pound on a tortoise’s shell, strike it, or dump things on it since you now understand exactly that it is completely feasible for a tortoise to feel significant discomfort via their shell.

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In addition,  it is just the same as injuring any other animal, despite the fact that the scutes are so tough that they may not seem to do as much evident significant injuries.

Can The Shell Of A Turtle Repair Itself?

Could the injured shell get better? The answer is, that they can. Because it is constructed from organic components like keratin, it has the ability to progressively repair and replenish itself.

The outside of the shell is composed of a thick layer of skin and many layers of keratin, the same protein we possess in the hair and nails.

These keratin layers, known as scutes, will shed off as the turtle develops since shedding is a natural part of the growth process. As the turtle continues to grow, more scutes will emerge to prevent it from being scratched or bruised.

The shell of the turtle develops together with the animal in the same way as our own vertebrae do. If you observe any deformation to the turtle’s shell, you need to take the advice of a specialist.

Even while they are capable of healing, they are also susceptible to acquiring infectious diseases or illnesses that make the whole process of healing more difficult.

How Did Turtles Get Their Shells?

Archaeology has provided researchers with a better understanding of the evolutionary process that led to the development of the turtle’s protective shell.

The notion that the shell initiated developing when expansions of the turtle’s strong backbone and ribcage commenced to grow and fuse together was one that was acknowledged by the greatest number of people.

Ultimately, this bone structure started to develop on the exterior of the turtle’s body where it had been exposed.

The vast majority of people are unaware of the fact that it took millions of years for the shell of the turtle to completely develop.

That translates to the fact that there have been forms of “pre-turtles” whose shells were only half-developed and did not support their bodies entirety.

This is shown by the fact that “half-shelled” turtles from more than 250 million years ago were found in China. German scientists have unearthed the world’s oldest fossil of a full-shelled turtle, dating back 214 million years.

To this day, there are no other species of reptile that has both a backbone and a shell, as turtles do. In the long run, the turtles’ shells were immensely advantageous to them.

Although it did hinder their movement to a very tiny degree, it offered a tremendous deal of safety to the turtle’s essential structures.

Some kinds of turtles also are capable to retract their whole heads and legs within their shells, making them almost invulnerable to harm.

The turtle is safe from the majority of its potential enemies because of its hard shell, which is often more durable than the fangs of its adversaries.

Last words

The shell that a turtle wears is an essential component of its overall body structure. It is a component of them in the same way that our bones are a component of our body.

It consists of numerous important bones as well as storage places for fluids, fats, and waste management.

There has been a lot of discussion on the reasons why the shell developed and what its original role was, but regardless of why it did so in the past, the shell of a contemporary turtle is necessary for its survival.

Their shell contains a large number of nerves and bones in addition to serving as a protective barrier for their important organs when they are exposed to potential threats. Shells are coated in rigid scales known as scutes, and some of these scutes are as tough as bone.

It is possible for a turtle to perish if its shell is broken or otherwise harmed. It is critical that turtle owners comprehend how significant the shell is, as well as the rationale behind why turtles must not be tossed.

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About Author

Muntaseer Rahman started keeping pet turtles back in 2013. He also owns the largest Turtle & Tortoise Facebook community in Bangladesh. These days he is mostly active on Facebook.

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